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targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/system_nrf51822.h
- Committer:
- todotani
- Date:
- 2014-09-05
- Revision:
- 308:59cc78a25982
- Parent:
- 270:e2babe29baf8
File content as of revision 308:59cc78a25982:
/* mbed Microcontroller Library * Copyright (c) 2013 Nordic Semiconductor. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef SYSTEM_NRF51_H #define SYSTEM_NRF51_H #ifdef __cplusplus extern "C" { #endif #include <stdint.h> extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ /** * Initialize the system * * @param none * @return none * * @brief Setup the microcontroller system. * Initialize the System and update the SystemCoreClock variable. */ extern void SystemInit (void); /** * Update SystemCoreClock variable * * @param none * @return none * * @brief Updates the SystemCoreClock with current core Clock * retrieved from cpu registers. */ extern void SystemCoreClockUpdate (void); #ifdef __cplusplus } #endif #endif /* SYSTEM_NRF51_H */